X18XE1 block + head with X16XE crank + rods.. Turbo build maybe? - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Corsa Sport » Message Board » General Chat » X18XE1 block + head with X16XE crank + rods.. Turbo build maybe?

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Dan295

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Registered: 9th Oct 06
Location: London
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2nd Jun 09 at 10:34

this thread is almost as controversial as the expenses row, delete it before the internetz explodezzzzz

gazza808

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Registered: 30th Jun 08
Location: Peterborough
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2nd Jun 09 at 12:00

do it,
if it's too low compression can have the head and deck skimmed as you already know.

DaveyLC

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Registered: 8th Oct 08
Location: Berkshire
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2nd Jun 09 at 12:01

I'm more concerned about it being too high

adz_gsi

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Registered: 20th Sep 08
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2nd Jun 09 at 12:03

i say go for it if you have the standard loom and a battery try starting it up by putting it on a rig
why do you need custom manifolds if its a standard 1.8 head on 1.8 block
all he'd be doing is dropping a x16xe crank in or am i missing something here

EDIT just noticed it says turbo too
sorry thought it was an x16xe / x18xe1 hybrid just do that

[Edited on 02-06-2009 by adz_gsi]

gazza808

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Registered: 30th Jun 08
Location: Peterborough
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2nd Jun 09 at 12:05

how much shorter is the stroke??
only one way to find out build the beast lol!

DaveyLC

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Registered: 8th Oct 08
Location: Berkshire
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2nd Jun 09 at 12:07

It will be:
bore: 80.5mm
stroke 81.5mm

The original 1.8 stroke was 88.2mm

adz_gsi

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Registered: 20th Sep 08
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2nd Jun 09 at 12:10

if you do this please post how to mate souns interesting

high capacity small block turbo ftw

[Edited on 02-06-2009 by adz_gsi]

DaveyLC

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Registered: 8th Oct 08
Location: Berkshire
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2nd Jun 09 at 12:12

It will only be 1659cc but with the superior 1.8 head design and a nice low C/R.

Daveskater

Premium Member

Registered: 29th Apr 08
Location: Oxford, UK Drives: Jap wagon
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2nd Jun 09 at 12:14

This so needs to be done

Why hasn't it been started yet?

quote:
Originally posted by Dan295
delete it before the internetz explodezzzzz

@ z's

(Easily amused - yes, do I care? No

)

Numberwang!

Originally posted by AlunJ
I like you Dave, you are a man of men

Originally Whatapp'd by Neo
Dave's maybe capable of a drive-by cuddle

Look at my pictures

DaveyLC

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Registered: 8th Oct 08
Location: Berkshire
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2nd Jun 09 at 12:17

Getting the block tested on sat

if all is good it will be honed and acid cleaned.

Dan295

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Registered: 9th Oct 06
Location: London
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2nd Jun 09 at 12:18

you fucking love the acid dipping dont you

DaveyLC

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Registered: 8th Oct 08
Location: Berkshire
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2nd Jun 09 at 12:18

ACIDDDDDDDDDDDD

Dan295

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Registered: 9th Oct 06
Location: London
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2nd Jun 09 at 12:20

i think you need to investigate the timing first tbh, i would have thought the cams youve got atm will be opening for too long, and i presume you will get the crank strengthened or knightrided (sp)

DaveyLC

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Registered: 8th Oct 08
Location: Berkshire
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2nd Jun 09 at 12:21

if I dont run stupid boost the crank should be fine... Cams will be an issue but nothing a bit of re-profiling wont sort out

[Edited on 02-06-2009 by DaveyLC]

Daveskater

Premium Member

Registered: 29th Apr 08
Location: Oxford, UK Drives: Jap wagon
User status: Offline

2nd Jun 09 at 12:22

quote:
Originally posted by DaveyLC
ACIDDDDDDDDDDDD

Numberwang!

Originally posted by AlunJ
I like you Dave, you are a man of men

Originally Whatapp'd by Neo
Dave's maybe capable of a drive-by cuddle

Look at my pictures

Dan295

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Registered: 9th Oct 06
Location: London
User status: Offline

2nd Jun 09 at 12:23

im tempted to wager £10 of optimax on that crank going PING

crazybrightman

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Registered: 30th Mar 09
Location: leicestershire
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2nd Jun 09 at 12:25

quote:
Originally posted by DaveyLC
It will be:
bore: 80.5mm
stroke 81.5mm

The original 1.8 stroke was 88.2mm

just a thought but if the stroke is 88.2mm orginaly and the new stroke is 81.5 then the crank throw is 3.35mm shorter that would lower the c/r massively surely? or is the 1600 and 1800 block the same and the 1600 has longer rods and a different rod ratio to keep the same c/r as the 1800? if so hows the c/r end up lower? larger combustion chamber in the 1800 head?

DaveyLC

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Registered: 8th Oct 08
Location: Berkshire
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2nd Jun 09 at 12:30

the 1.8 runs at 10.5:1.. The stroke is being reduced by 8% so you would think the C/R would come down by a little more than that.. There isnt really a 100% fool proof way to find out, other than by measuring the deck height and combusion chamber volume.

quote:
Originally posted by Dan295
im tempted to wager £10 of optimax on that crank going PING

If its not reving at spastic speeds and running high boost theres no reason for it to fail.

DizzyRebel

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Registered: 2nd Jan 09
Location: Lincoln
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2nd Jun 09 at 12:48

I just read that. 8mm less stroke? fuck me The lag on that and the boost required will be astronomical! FAIL before its even built lol

DaveyLC

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Registered: 8th Oct 08
Location: Berkshire
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2nd Jun 09 at 12:54

quote:
Originally posted by DizzyRebel
I just read that. 8mm less stroke? fuck me The lag on that and the boost required will be astronomical! FAIL before its even built lol

The piston will be moving 3.35mm further from the head not 6.7mm less

[Edited on 02-06-2009 by DaveyLC]

adz_gsi

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Registered: 20th Sep 08
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2nd Jun 09 at 12:59

how eas is it to just replace x16xe pistons with x18xe1 and vise versa
also what will it do to the performance ??
faster or slower??

DizzyRebel

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Registered: 2nd Jan 09
Location: Lincoln
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2nd Jun 09 at 13:01

stoke is measured from bdc to tdc. 8mm less stroke means it will be 8mm further away from the head at tdc unless the 1600 crank has a longer throw than the 1800 or the pistons are taller.

[Edited on 02-06-2009 by DizzyRebel]

crazybrightman

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Registered: 30th Mar 09
Location: leicestershire
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2nd Jun 09 at 13:04

but will it be further from the head?
as the 1.6 might have longer con rods so the piston is the same height as on the 1.8.
best bet is get a rod from the 1.6 and one from the 1.8 and measure them to make sure.
i take it the gudgen pin is the same size aswell?

[Edited on 02-06-2009 by crazybrightman]

DizzyRebel

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Registered: 2nd Jan 09
Location: Lincoln
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2nd Jun 09 at 13:11

the rods from the 1600 are shorter, thats why hes using them as the shorter stroke the offer is whats making him think they will serve to lower compression. At a guess the pistons are exactly the same or at least very similar.

You would probably need a 1600 head to keep the CR high enough to be useful.

gazza808

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Registered: 30th Jun 08
Location: Peterborough
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2nd Jun 09 at 13:13

the 1.8 pistons have a lower compression height so they can run the longer stroke crank.
so the 1.6 pistons are taller than the 1.8
x16xe and x18xe1 rods are 100percent same length

but davey knows all this.

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